Finding the Fourth Proportional to 197,027.48, 271,908.42 and 112,171.88
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Solution
The fourth proportional to 197,027.48, 271,908.42 and 112,171.88 is: 154,803.17
Step by Step Solution
- Step 1: Write the proportion equation
197,027.48 : 271,908.42 = 112,171.88 : x - Step 2: Convert to fraction form
197,027.48/271,908.42 = 112,171.88/x - Step 3: Cross multiply
197,027.48x = 271,908.42 × 112,171.88 - Step 4: Simplify right side
197,027.48x = 30,500,478,659.23 - Step 5: Solve for x
x = 30,500,478,659.23/197,027.48 - Step 6: Final answer
x = 154,803.17
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.